CVE-2019-10149
What it is
A flaw was found in Exim versions 4.87 to 4.91 (inclusive). Improper validation of recipient address in deliver_message() function in /src/deliver.c may lead to remote command execution.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-01-10 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-07-10 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 100.0% in the next 30 days (EPSS).
- Severity: 9.8 CRITICAL (CVSS).
- Fix: a patch or advisory is linked.
- It meets the bar for Drop everything: critical, and exploited or very likely to be.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-01-10
- Exploit probability
- 100.0% · EPSS, next 30 days
- Weakness
- CWE-78 · OS command injection
- Record status
- Analyzed
Affected
- Exim ≤ 4.91
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 18.10
- Debian Linux 9.0
Attack profile CVSS 3.1 · 9.8
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-10149.md and follow it. Check whether this project is affected by CVE-2019-10149. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- http://www.openwall.com/lists/oss-security/2019/06/05/3
- https://www.exim.org/static/doc/security/CVE-2019-10149.txt
- http://www.openwall.com/lists/oss-security/2019/06/05/3
- https://www.exim.org/static/doc/security/CVE-2019-10149.txt
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html
- http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2019/Jun/16
- http://www.openwall.com/lists/oss-security/2019/06/05/2
- http://www.openwall.com/lists/oss-security/2019/06/05/3
- http://www.openwall.com/lists/oss-security/2019/06/05/4
- http://www.openwall.com/lists/oss-security/2019/06/06/1
- http://www.openwall.com/lists/oss-security/2019/07/25/6
- http://www.openwall.com/lists/oss-security/2019/07/25/7
- http://www.openwall.com/lists/oss-security/2019/07/26/4
- http://www.openwall.com/lists/oss-security/2021/05/04/7
- http://www.securityfocus.com/bid/108679
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10149
- https://seclists.org/bugtraq/2019/Jun/5
- https://security.gentoo.org/glsa/201906-01
- https://usn.ubuntu.com/4010-1/
- https://www.debian.org/security/2019/dsa-4456
- https://www.exim.org/static/doc/security/CVE-2019-10149.txt
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00020.html
- http://packetstormsecurity.com/files/153218/Exim-4.9.1-Remote-Command-Execution.html
- http://packetstormsecurity.com/files/153312/Exim-4.91-Local-Privilege-Escalation.html
- http://packetstormsecurity.com/files/154198/Exim-4.91-Local-Privilege-Escalation.html
- http://seclists.org/fulldisclosure/2019/Jun/16